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Old 10-21-2019, 09:49 AM   #1
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Water pump not sucking up antifreeze

I installed the camco pump converter kit. When I turn on the pump it's not sucking antifreeze from the jug. The valve is in the bypass position so it shod be sucking from the jug. Pic attached.
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Old 10-21-2019, 09:50 AM   #2
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Ps I left the anode out of the water heater tank but the water heater is in bypass mode. That have anything too do with it?
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Old 10-21-2019, 09:55 AM   #3
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Have you tried 'priming the pump'? A dry pump sometimes will never prime itself and run dry.... and run... and run.... and never pump liquid.
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Old 10-21-2019, 09:56 AM   #4
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Or does it have something to do with that vacume slide thinger?
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Old 10-21-2019, 09:56 AM   #5
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Quote:
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Have you tried 'priming the pump'? A dry pump sometimes will never prime itself and run dry.... and run... and run.... and never pump liquid.
How do I prime the pump?
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Old 10-21-2019, 09:59 AM   #6
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What I found with ours is that it won't really prime unless I have one of the faucets turned on to let the coolant flow.
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Old 10-21-2019, 10:01 AM   #7
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how to prime an RV water pump

https://goneoutdoors.com/prime-rv-wa...p-5571373.html
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Old 10-21-2019, 10:10 AM   #8
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My Trick

Found the same issue with my TT, tried to manually prime it using technique Brother Les posted with mixed results at best. What I found that works for me turn on the bathroom faucet this, so far, as always primed the pump. Note the bathroom faucet is right above the pump as it is located in the bathroom cabinet.

Hope you get it worked out.
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Old 10-21-2019, 10:16 AM   #9
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On the hose fitting, check to make sure the rubber washer is on it. I found mine still stuck to the brass cap and it would just suck air.
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Old 10-21-2019, 12:16 PM   #10
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Had an issue two years ago. Sucked in 2 gallons of antifreeze but none went to a faucet. Never did learn where it went, but as soon as I recapped the low point drains, everything worked as it should.
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Old 10-21-2019, 12:19 PM   #11
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Had an issue two years ago. Sucked in 2 gallons of antifreeze but none went to a faucet. Never did learn where it went, but as soon as I recapped the low point drains, everything worked as it should.


Me thinks the antifreeze went out the low point drains..... until you recapped them.
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Old 10-21-2019, 01:02 PM   #12
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Ideally, the antifreeze inlet should be between the sediment bowl and the pump. The OP should check all fitting connections and ensure they are tight, including the clear plastic sediment bowl. The OP clearly states that the pump failed to pick up an antifreeze from the jug, so rule out the antifreeze going out the low point drains. If all is tight, then proceed...

If the pump is running at a low pitch hum then it is in bypass mode. There's a distinct chance of an air lock in the system and the pump pressure can not overcome it. The OP should go outside to the city water connection, remove the screened washer and press the internal check valve in the inlet. If water come shooting out, then there's the problem. Once that pressure is released the pump will start pumping again. The Shur-Flo pump is self priming. no need to prime it.
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Old 10-21-2019, 02:29 PM   #13
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I find I have to have the jug of antifreeze on level or slightly higher than pump.
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Old 10-21-2019, 02:43 PM   #14
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Got it to work by sticking a funnel on the end of the intake hose and pouring antifreeze in the funnel. It went through the pump and the hot and cold sink and outdoor shower faucets ran pink. Gravity was on my side as I held the funnel much higher than the pump. I must have a loose connection in my amateur plumbing job as there was some antifreeze on the floor under the pump when I finished. Something to fix in May!!
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Old 10-21-2019, 02:52 PM   #15
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Quote:
Originally Posted by HappyCamperCanada View Post
Got it to work by sticking a funnel on the end of the intake hose and pouring antifreeze in the funnel. It went through the pump and the hot and cold sink and outdoor shower faucets ran pink. Gravity was on my side as I held the funnel much higher than the pump. I must have a loose connection in my amateur plumbing job as there was some antifreeze on the floor under the pump when I finished. Something to fix in May!!
Read post #9, same thing mine did, wouldn't draw anti freeze, I poured it in and it took it but leaked out of the hose fitting and puddled under pump.
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Old 10-21-2019, 03:13 PM   #16
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Originally Posted by HappyCamperCanada View Post
Got it to work by sticking a funnel on the end of the intake hose and pouring antifreeze in the funnel. It went through the pump and the hot and cold sink and outdoor shower faucets ran pink. Gravity was on my side as I held the funnel much higher than the pump. I must have a loose connection in my amateur plumbing job as there was some antifreeze on the floor under the pump when I finished. Something to fix in May!!
Yes, you have something loose.

If you poured it in and it leaked enough it puddled near the pump, (without spilling of course) it will never 'suck.' You will need to fix it for sure as it likely won't draw water from the fresh tank now either.
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Old 10-21-2019, 03:15 PM   #17
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Or does it have something to do with that vacume slide thinger?
For the education/edification of members attempting to help, would you mind telling us what you're talking about with "that vacume slide thinger"?
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Old 10-21-2019, 03:29 PM   #18
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Me thinks the antifreeze went out the low point drains..... until you recapped them.
My rig was parked on our cement pad at home. Would have seen two gallons of pink coming out if that had happened. Total mystery.
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Old 10-21-2019, 03:29 PM   #19
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Yeah, mine wouldn't work until I opened a faucet. Start with the furthest one, work back towards the pump closing each one when you see the antifreeze. Don't forget the outside shower.
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Old 10-21-2019, 03:43 PM   #20
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My rig was parked on our cement pad at home. Would have seen two gallons of pink coming out if that had happened. Total mystery.
Most likely that you pumped it with a faucet open and the antifreeze went down the drain and into the gray water tank. I would bet money on it!
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